
void rotate(int bg, s16 rcX, s16 rcY, s16 angle, s16 scaleX, s16 scaleY, s16 scrollX, s16 scrollY, int priority);
void clearBackGrounds(u16* backGrounds[], int arrayLen);
int initBg(bool main, int layer, int type, int size, int mapBase, int tileBase);
